docsemiaphis dauci - Instituto Biológico
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Tetraneura ulmi (L.) (Hemiptera, Eriosomatinae) on elm as its
All over the world so far over 4000 aphid species have been recorded, of
which 700 make galls on coniferous and deciduous trees (BLACKMAN & EASTOP,
1994; FORREST, 1987). On elm leaves galls are for...